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pneumococcal vaccination. Suppose that you obtain an independent sample of 20 adults aged 65 and over who visited the emergency room and the pneumococcal vaccination rate applies to the sample. Determine the probability that exactly 12 members of the sample received a pneumococcal vaccination. Let X represent the number of successes in a binomial setting with n trials and probability pof success in each trial. The probability of obtaining exactly k successes is given by the formula POX = k} = (")»*( - pr* where () is the binomial coeficient, also represented as ,C, and is defined as n! k!(n - k)! Follow the steps to compute P(X= 12). First determine the binomial coefficient. Do not round your answer.

pneumococcal vaccination. Suppose that you obtain an independent sample of 20 adults aged 65 and over who visited the emergency room and the pneumococcal vaccination rate applies to the sample. Determine the probability that exactly 12 members of the sample received a pneumococcal vaccination. Let X represent the number of successes in a binomial setting with n trials and probability pof success in each trial. The probability of obtaining exactly k successes is given by the formula POX = k} = (")»*( - pr* where () is the binomial coeficient, also represented as ,C, and is defined as n! k!(n - k)! Follow the steps to compute P(X= 12). First determine the binomial coefficient. Do not round your answer.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The National Center for Health Statistics (NCHS) reports that 70% of U.S. adults aged 65 and over have ever received a pneumococcal vaccination. Suppose that you obtain an independent sample of 20 adults aged 65 and over who visited the emergency room and the pneumococcal vaccination rate applies to the sample. Determine the probability that exactly 12 members of the sample received a pneumococcal vaccination. Let X represent the number of successes in a binomial setting with n trials and probability p of success in each trial. The probability of obtaining exactly k successes is given by the formula P(X = k} = (")* - pr-* where () is the binomial coefficient, also represented as ,C, and is defined as n! k!(n - k)! Follow the steps to compute P(X = 12). First determine the binomial coetlicient. Do not round your answer. 20 Ci2 = Compute (.7), or the probability that exactly 12 adults have been vaccinated. Round your answer to six decimal places.
Transcribed Image Text:The National Center for Health Statistics (NCHS) reports that 70% of U.S. adults aged 65 and over have ever received a pneumococcal vaccination. Suppose that you obtain an independent sample of 20 adults aged 65 and over who visited the emergency room and the pneumococcal vaccination rate applies to the sample. Determine the probability that exactly 12 members of the sample received a pneumococcal vaccination. Let X represent the number of successes in a binomial setting with n trials and probability p of success in each trial. The probability of obtaining exactly k successes is given by the formula P(X = k} = (")* - pr-* where () is the binomial coefficient, also represented as ,C, and is defined as n! k!(n - k)! Follow the steps to compute P(X = 12). First determine the binomial coetlicient. Do not round your answer. 20 Ci2 = Compute (.7), or the probability that exactly 12 adults have been vaccinated. Round your answer to six decimal places.
(7)2 = Compute (.3)*, or the probability that exactly 8 adults have not been vaccinated. Report as a decimal to eight decimal places. Do not round. (.3) Compute P(X = 12) = 20C12 · (,7)2 . (3)", the binomial probability that exactly 12 vaccinated adults are in the random sample of 20 adults. Round your answer to four decimal places. P(X = 12) =
Transcribed Image Text:(7)2 = Compute (.3)*, or the probability that exactly 8 adults have not been vaccinated. Report as a decimal to eight decimal places. Do not round. (.3) Compute P(X = 12) = 20C12 · (,7)2 . (3)", the binomial probability that exactly 12 vaccinated adults are in the random sample of 20 adults. Round your answer to four decimal places. P(X = 12) =
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